National Stock Number
4730-01-248-3719
National Stock Number (NSN) 4730-01-248-3719, or NIIN 012483719, (restrictor,fluid flow) was assigned January 23, 1987 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Jan 23, 2017. There have been 2 contracts issued for this part number, with 10 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE4AX14D9403, SPE4AX14D9403, SPE4AX14D9403, SPE4AX14D9403, SPE4AX14D9403. The total value of the awarded contracts has been US$ 54,952.88.
This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 26, 2008, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 18263. [AN ITEM OF SOLID ONE-PIECE CONSTRUCTION, DESIGNED TO RESTRICT THE FLOW OF A FLUID THROUGH IT. IT HAS AN ORIFICE OF A SMALLER SIZE THAN THE DIAMETER OF FLOW INTO IT. EXCLUDES:ITEMS SUCH AS VALVE (1), (AS MODIFIED); AND OTHERS WITH AN ADJUSTABLE ORIFICE. EXCLUDES:PIPE, TUBE, OR HOSE FITTINGS WITH RESTRICTED PASSAGES AND ITEMS DESIGNED TO TEST FLUID FLOW. FOR ITEMS CONTAINING SCREENS OR FILTERS, SEE RESTRICTOR UNIT, FLUID FLOW.]. This item is a Flight Safety Critical Aircraft Part (FSCAP). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4730012483719 does not contain precious metals.
This information was last updated on Jul 01, 2025.